block colour basics › Circle Studs Image 1 of 7 Image 2 of 7 Image 3 of 7 Image 4 of 7 Image 5 of 7 Image 6 of 7 Image 7 of 7 Circle Studs $15.00 Mixed circle stud polymer clay earrings, with surgical stainless steel posts and butterfly backs. Color: Select Color Blue Chartreuse Emerald Lavender Orange Checkers Checker Swirl Quantity: Add To Cart Added! Mixed circle stud polymer clay earrings, with surgical stainless steel posts and butterfly backs.